/*******************************************************************************
 * Copyright 2005-2010, Andrew McVeigh.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.intrinsarc.backbone.nodes.lazy;


public class LazyObject<T>
{
	private UuidReference reference;
	private T object;
	private Class<T> cls;
	
	public LazyObject(Class<T> cls)
	{
		this.cls = cls;
	}
	
	public LazyObject(Class<T> cls, UuidReference reference)
	{
		this.cls = cls;
		this.reference = reference;
	}
	
	public LazyObject(Class<T> cls, T object)
	{
		this.cls = cls;
		this.object = object;
	}

	public void setReference(UuidReference reference)
	{
		this.reference = reference;
	}
	
	public void setObject(T object)
	{
		this.object = object;
	}
	
	public void resolve()
	{
		if (object == null)
			object = GlobalNodeRegistry.registry.getNode(reference, cls);
		reference = null;
	}
	
	public T getObject()
	{
		return object; 
	}
}
